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Which organization maintains the list of well-known port numbers?
OWASP
OSI
IANA
IETF
The Internet Assigned Numbers Authority (IANA) is a department of ICANN, a nonprofit private American corporation that oversees global IP address allocation, autonomous system number allocation, root zone management in the Domain Name System (DNS), media types, and other Internet Protocol-related symbols and Internet numbers https://en.wikipedia.org/wiki/InternetAssignedNumbers_Authority
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